Lymphatic System and Immunity

Question 1

Role of the lymphatic system in body defense

Answer 1

-Lymph nodes filter out foreign particles/microbes and cancer cells and destroy them

Question 2

Circulation of Lymph (5)

Answer 2

Lymphatic capillaries
Lymphatic vessels
Through many lymph nodes
right lymphatic and thoracic duct 
blood vessels

Question 3

Four factors affecting the flow of lymph

Answer 3

• Skeletal muscle pumps
• Respiratory pumps
• Presence of valves in lymph vessels
• Rate of formation of lymph